Holiday Entitlement Calculator
Full-time UK workers are entitled to at least 28 days (5.6 weeks) of paid holiday per year including bank holidays. Part-time and irregular workers receive a pro-rata amount.
How much holiday are you entitled to? Whether you work full-time, part-time, shifts, or irregular hours, this calculator estimates your statutory holiday entitlement under UK employment law.
Enter your working pattern and we will show your entitlement in both days and hours, with pro-rata calculations if you started partway through the year.
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What this calculator does
This calculator estimates your statutory holiday entitlement based on your working pattern, days and hours per week. It supports full-time, part-time, shift, and irregular-hours workers, and can calculate pro-rata entitlement for mid-year starters.
Who it is for
UK employees checking their holiday rights, HR managers calculating staff entitlements, part-time workers wanting to understand pro-rata holiday, and zero-hours workers needing to know their accrual rate.
How to use it
Select your working pattern, enter your days and hours per week. Optionally add your employment start date and leave year start for pro-rata calculations.
How the calculation works
The statutory minimum is 5.6 weeks per year. For a 5-day worker, that is 28 days. For part-time workers, we multiply 5.6 by their working days per week. For irregular-hours workers, entitlement is 12.07% of hours worked. Pro-rata calculations use the proportion of the leave year remaining from your start date.
Worked example
A part-time worker doing 3 days per week, 7 hours per day: Entitlement = 5.6 × 3 = 16.8 days per year. In hours: 16.8 × 7 = 117.6 hours. If they started 1 July in a January–December leave year, pro-rata = 16.8 × (184/365) = 8.5 days.
Assumptions and limitations
- Uses UK statutory minimum of 5.6 weeks
- Maximum statutory entitlement is capped at 28 days
- Bank holidays can be included in the 28-day minimum
- Your contract may provide more than the statutory minimum
- The 12.07% accrual rate applies to irregular-hours workers
- Pro-rata calculation assumes linear accrual throughout the leave year
Frequently asked questions
How many days holiday am I entitled to in the UK?
Full-time workers (5 days/week) are entitled to at least 28 days per year. Part-time workers receive a proportional amount. For example, 3 days/week = 16.8 days.
Do bank holidays count as part of my 28 days?
They can. Your employer can include bank holidays as part of your statutory 28-day minimum. Check your contract — bank holidays are not automatically extra days.
How is holiday calculated for zero-hours contracts?
For irregular-hours workers, holiday accrues at 12.07% of hours worked. This rate comes from 5.6 weeks ÷ 46.4 working weeks per year.
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Related guides
- How Holiday Entitlement Works in the UK — A practical guide to understanding your statutory holiday entitlement as a UK worker, covering full-time, part-time, and irregular working patterns.
- How to Calculate Your Freelance Day Rate — A practical guide to setting your day rate as a freelancer or contractor, including salary equivalence and market benchmarks.
- How Overtime Pay Works in the UK — Understand your overtime pay rights, how it is taxed, and how different multipliers affect your earnings.
- How Holiday Accrual Is Calculated in the UK — Learn how holiday builds up over a leave year and how to check how much you have accrued so far.
- Inside IR35 Explained: What UK Contractors Need to Know — A clear guide to working inside IR35, how it affects your take-home pay, and what it means for your contract.
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Sources and references
Holiday entitlement rights (https://www.gov.uk/holiday-entitlement-rights), ACAS holiday entitlement (https://www.acas.org.uk/checking-holiday-entitlement)
Last updated
Last reviewed: 2025-04-12.